[BUG] STM32CubeIDE Live Expression sometimes fail to evaluate expression.
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‎2019-07-25 4:23 AM
Hi,
I have noticed a little problem in the "Live Expressions" function.
The first time I open STM32CubeIDE and debug my firmware, I can see the value of all expressions previously written by me.
When I stop the debug and debug again, some expressions does'nt show the value. Instead this appears the message " Failed to evaluate expression".
The curious is that if I "rename" the expression the correct value appears again. For example, adding a space (or removing a space) at end of a expression with the message " Failed to evaluate expression" solve the problem.
This are happenning with anyone more?
This is a real bug?! How this problem can be solved?
Best regards,
DIego Volpini
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‎2019-08-02 2:46 AM
Hi,
I had the same problem. I tried to read out an ADC but the variable with the values was either 0 or "Failed to evaluate Expression".
I found out I had a mistake in my Code, but it still doesn´t work as it should. Now my values changes randomly between 1380 and 1477, no matter what I do.
Best regards,
Katharina
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‎2019-11-26 5:50 PM
I experience the same issue. Watching abbout 10 expressions live, at least two of them show as a value "Failed to evaluate expression" on every relaunch. I can copy and paste as a new expression or add a space to the end of the failed expressions to get them back, but this is proving to be a real time sink. If anyone finds a workaround, I'd be grateful.
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‎2020-02-18 2:32 AM
Hi,
same problem here. I watching some variables by Live Expressions, and randomly appears "Failed to evaluate Expression". If I restart IDE, other variables said "Failed to evaluate Expression". If I add them again to the list, works fine. But it is very annoying to add them again and again.
P.
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‎2020-03-25 9:11 AM
I'm having the same issue where my Live Variables are showing values of 0 when I debug. @Community memberampbell​ I found a workaround by setting up a UART output to a terminal emulator (PuTTY). I output the values with HAL_UART_Transmit and a delay, and the numbers output consistently. This only works for debugging though if you can use UART and have a screen to output to.
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‎2020-06-04 11:24 PM
I experience the same problem - whenever I restart the debug session some of the live expressions I entered during previous debug show up as "Failed to evaluate" while some other persist being okay. Only solution is to delete the failed and re-enter same ones as new - then they work. But until next relaunch.
This is really annoying :\
This is CubeIDE v1.3.1 on Windows 10 x64
Attaching screenshot, where after relaunch some expressions failed, but when I reentered first again at the bottom it works fine.
This has been around for like a year, and still not fixed.
Can we please get some attention from ST staff so this is finally fixed? Take a look please, @Markus GIRDLAND​ , would appreciate if you forward this accordingly
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‎2020-06-13 2:11 AM
It is such an annoying bug. Can someone say something about it?
@Alexandre DA ROCHA​ @Alec BATH​ @Iain SCOTT​ @Francesco DI MARCO​ @Andrea Francesco MERELLO​ @Carole SORIA​ @Dan FRANZEN​ @Filip SCHWANK​ @Filippo Bonaccorso​ @Filippo SCRO'​ @Francesco Filippo CASATI​ @Gerald T FILIPPONE​
Thanks a lot!
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‎2020-10-10 5:15 AM
have this problem too ((
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‎2020-10-10 8:32 AM
:) Still no luck reaching to ST for some attention :(
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‎2020-10-10 9:06 AM
today testing cubeide ver. 1.42.2 in Windows 10 == all ok, but this problem if working in Mac OC Catalina 10.15.7
